Dayoung Kim happily donated her liver to her mother-in-law, but all she got was betrayal in return. Her husband’s whole family nefariously used and abused... more>> her, kicking her out before she even fully recovered from surgery. They went on with their lives, blissfully unaware that Dayoung swore revenge. She begins to systematically destroy their lives as they did hers, but what happens when someone unexpected gets in the way of her best-laid plans? Will accomplishing her mission bring her happiness… or will it only get in the way of true love? <<less

The spinoff manga centers on the character Kotori Otonashi, an office clerk at 765 Production, during her high school days. The first chapter will have... more>> color pages. <<less

The manga is based on THE iDOLM@STER music rhythm game, in which the player guides nine idol singers as their producer.